# Definition: Norm

## Etymology 1

From French *norme*, from Old French, from Latin *norma* (a carpenter's square, a rule, a pattern, a precept).

## Noun

**norm** (plural **norms**)

- That which is normal or typical.
*Unemployment is the***norm**in this part of the country.

- A rule that is imposed by regulations and/or socially enforced by members of a community.
*Not dressing like a supervillain at a corporate meeting is just one of those societal***norms**.

- (philosophy, computer science) A sentence with non-descriptive meaning, such as a command, permission or prohibition.
- (mathematics) A function that maps vectors to non-negative scalars.
- (chess) A high level of performance in a chess tournament, several of which are required for a player to receive a title.

### Derived terms

- 1-norm
- 2-norm
- absolute norm
- adnorm
- age norm
- basic norm
- complex norm
- cross norm
- dual norm
- ethical norm
- Euclidean norm
- exonorm
- extended norm
- field norm
- flat norm
- grandmaster norm
- graph norm
- ideological norm
- induced norm
- infinity-norm
- mass norm
- matrix norm
- maximum norm
- moral norm
- natural norm
- normed
- norm function
- normic form
- normless
- normlessness
- polynomial norm
- pseudonorm
- quaternion norm
- reduced norm
- regular norm
- relative norm
- seminorm
- sexual norm
- social norm
- spectral norm
- statistical norm
- subordinate norm
- trace norm
- uniform norm
- vector norm

### Related terms

- abnormity
- normal
- normatic
- normative

## Etymology 2

Back-formation from normed.

## Verb

**norm** (third-person singular simple present **norms**, present participle **norming**, simple past and past participle **normed**)

- (mathematical analysis) To endow (a vector space, etc.) with a norm.

### Derived terms

- norming

## Credits

*New World Encyclopedia* writers and editors copied and adjusted this *Wiktionary* entry in accordance with *NWE* standards. This article abides by terms of the Creative Commons CC-by-sa 3.0 License (CC-by-sa), which may be used and disseminated with proper attribution. Credit for this article is due to both *New World Encyclopedia* contributors and the selfless volunteer contributors of the Wikimedia Foundation. To cite this article click here for a list acceptable citing formats.The history of earlier contributions at Wiktionary is accessible to researchers here:

- norm
^{history}